 鲜花( 53)  鸡蛋( 0)
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5# manyu
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找回以前的貼子,對我來說也不容易,還是簡單再說一遍好了 Possible causes are:
9 A }/ P$ X) {: q1. sub floor did not hold tight to the floor joists. Screws are doing better than nails for this purpose.
3 O+ p! d& l8 I' v1 S! Q5 O2. supporting beams are a bit too far away from each other.5 d! d: S7 R4 T" ~4 o
3. supporting beams are not level due to earth settlement.3 e! w: h9 R& i1 ~* `
! s/ N/ H( [8 w2 AFor 2, you may need someone with engineering knowledge to find out, but there should be a building code governing the span distance. For 3, you can go down the basement to do a visual check yourself.
8 q7 r, @: w0 ?( r: S2 Q+ \But anyway, insist the builder to fix the problem right away, don't let them get away with 6 months time. |
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